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Lera25 [3.4K]
2 years ago
11

A $95 graphing calculator is on sale for $85.50. The percent decrease is

Mathematics
1 answer:
gregori [183]2 years ago
5 0
Well, it went down from 95 to 85.5, so it dropped by $9.5.

if we take 95 to be the 100%, what is 9.5 off of it in percentage?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
95&100\\
9.5&p
\end{array}\implies \cfrac{95}{9.5}=\cfrac{100}{p}\implies p=\cfrac{9.5\cdot 100}{95}
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